NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA P106 100

VS

NVIDIA GeForce GT 640 OEM Rebrand

NVIDIA P106 100

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 6GB VRAM P106 100 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Lower TDP (75W vs 120W)

NVIDIA P106 100 's Advantages

Released 5 years and 2 months late

Boost Clock1709MHz

More VRAM (6GB vs 1536GB)

Larger VRAM bandwidth (192.2GB/s vs 38.40GB/s)

1136 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

P106 100 +954%

4.375 TFLOPS

GeForce GT 640 OEM Rebrand

VS

P106 100

Graphics Card

Apr 2012

Release Date

Jun 2017

GeForce 600

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1506 MHz

-

Boost Clock

1709 MHz

800 MHz

Memory Clock

2002 MHz

Memory

1536MB

Memory Size

6GB

DDR3

Memory Type

GDDR5

192bit

Memory Bus

192bit

38.40GB/s

Bandwidth

192.2GB/s

Render Config

-

3

SM Count

10

144

Shading Units

1280

24

TMUs

80

24

ROPs

48

-

64 KB (per SM)

L1 Cache

48 KB (per SM)

384 KB

L2 Cache

1536 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

82.03 GPixel/s

17.28 GTexel/s

Texture Rate

136.7 GTexel/s

-

FP16 (half)

68.36 GFLOPS

414.7 GFLOPS

FP32 (float)

4.375 TFLOPS

34.56 GFLOPS

FP64 (double)

136.7 GFLOPS

Board Design

75W

TDP

120W

250 W

Suggested PSU

300 W

2x DVI 1x mini-HDMI 1.3a

Outputs

No outputs

None

Power Connectors

1x 6-pin

Graphics Processor

GF116

GPU Name

GP106

GF116-150-A1

GPU Variant

GP106-100-A1

Fermi 2.0

Architecture

Pascal

TSMC

Foundry

TSMC

40 nm

Process Size

16 nm

1.17 billion

Transistors

4.4 billion

238 mm²

Die Size

200 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

6.1

5.1

Shader Model

6.4

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